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Common Mudpuppy (Necturus Maculosus) Distribution, Diet and Seasonality in Western New York and Morphological Condition in Lake and Stream Habitats

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Common Mudpuppy (Necturus Maculosus) Distribution, Diet and Seasonality in Western New York and Morphological Condition in Lake and Stream Habitats State University of New York College at Buffalo - Buffalo State College Digital Commons at Buffalo State Biology Theses Biology 1-2021 Common Mudpuppy (Necturus maculosus) distribution, diet and seasonality in western New York and morphological condition in lake and stream habitats. Adam M. Haines [email protected] Advisor Dr. Christopher Pennuto First Reader Dr. Christopher Pennuto Second Reader Dr. Amy McMillan Third Reader Dr. Robert Warren Department Chair Dr. Daniel Potts Recommended Citation Haines, Adam M., "Common Mudpuppy (Necturus maculosus) distribution, diet and seasonality in western New York and morphological condition in lake and stream habitats." (2021). Biology Theses. 44. https://digitalcommons.buffalostate.edu/biology_theses/44 Follow this and additional works at: https://digitalcommons.buffalostate.edu/biology_theses Common Mudpuppy (Necturus maculosus) population assessment and morphological condition in habitats of western New York. A Thesis in Biology by Adam M. Haines Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Arts January 2021 December 2020 Buffalo State College State University of New York Department of Biology Dates of Approval: Approved by: ____29 Jan, 2021 _______ _________ ____ Christopher Pennuto, Ph.D. Professor Thesis Advisor _____________________ _____________________________________ Daniel Potts, Ph.D. Professor Department Chair _____________________ _____________________________________ Kevin J. Miller, Ed.D. Dean The Graduate School i THESIS COMMITTEE Christopher Pennuto, Ph.D. Professor of Biology at SUNY Buffalo State Amy McMillan, Ph.D. Professor of Biology at SUNY Buffalo State Robert Warren, Ph.D. Associate Professor of Biology at SUNY Buffalo State ii Dedication Yes, I finished my thesis... the new answer to the question my mother has asked seven days a week for over two years. I would like to thank all, especially my family, who have inquired about my thesis and motivated me to complete it. I would like to thank my advisor Dr. Christopher Pennuto who took me on as a masters student, was willing to help me pursue my own questions, and study animals outside of his area of expertise. His willingness to step outside his comfort zone has put me in a better position to enter a career in herpetology. Thank you, Chris! Both Dr. McMillan and Dr. Warren of my committee need a big thanks too. Dr. McMillan introduced me to Dr. Pennuto and helped me better understand phenotypic plasticity. Dr. Warren helped me explore every possible avenue of data analysis to detect differences in morphological features. Although he could not find a way to retain higher degrees of freedom. I would also like to thank Dr. Rick Relyea for taking his time to share his expertise on data analysis of morphological features and ending the data analysis conundrum I was in. Huge thanks to Dr. Fred Schueler and Aleta Karstad for opening their home for me to stay while gathering data. Everyone should go see the mudpuppies and biologists found at Oxford Mills, and also enjoy some warm food and drink at the Brigadoon! My younger years were filled with fishing and looking for herpetofauna. My upbringing undoubtably led me to pursuing a job in the environmental field. I would like to thank my grandparents, parents, sister, aunts, uncles and cousins for helping mold who I am today. A special thanks to my parents, Dori and Todd Haines for… Everything. My interest in the outdoors has also been inspired by several professors, coworkers, bosses and experiences. I specifically would like to thank Dr. John Waud, Dr. Christy Tyler and Dr. Karl Korfmacher at RIT for exposing me to what a career in science could look like and the diverse doors it can open into education, public service, community wellness, travel, etc.. A special thanks to Joan Charleson are needed as well. Joan helped and supported me as a therapist and an editor. The value of her friendship throughout my masters and my life cannot be understated. Shout out to my Ohio family, Jess, Wes and Will Best-Eakin. From letting me park a trailer to helping me “work on my thesis”, you guys are like family, thanks! I would like to thank Chelsea Moore for her physical, auditory and mental talents which helped throughout my thesis. Finally, I would like to thank my dog Zoara who’s company and encouragement to get outside after hours on the computer were very… needed. iii Table of Contents Dedication……………………………………………………………………………….iii Abstract of Thesis………………………………………………………………….…….vi Chapter 1……………………………………………………………………………….....1 Introduction……………………………………………………………………………….2 Methods…………………………………………………………………………………...4 Results……………………………………………………………………………….……8 Discussion………………………………………………………………………………..13 Literature Cited…………………………………………………………………………..26 List of Tables…………………………………………………………………………29-33 List of Figures…………………………………………………………………..…….34-43 Chapter 2…………………………………………………………………………………44 Introduction……………………………………………………………………………....45 Methods…………………………………………………………………………………..48 Results…………………………………………………………………………………....51 Discussion……………………………………………………………………………..…52 Literature Cited…………………………………………………………………………..56 List of Tables…………………………………………………………………………59-62 List of Figures………………………………………………………………………...64-67 iv Chapter 1 List of Tables Table 1. Waterbodies where Common Mudpuppies were and were not captured……………………29 Table 2. Survey effort by waterbody………………………………………………………………….30 Table 3. T-test results of capture methods and morphometries, and coefficient of variation of metrics by collection method…………………………………………………………………………………..31 Table 4. AOV and Kruskal-Wallis results of morphological features by season……………………..31 Table 5: Gastric lavage result by season and by habitat type……………………………………...32-33 List of Figures Figure 1: Life stages of Necturus maculosus……………………………………………………..…...34 Figure 2. Morphological metrics used in analysis of capture methods…………………………..…...35 Figure 3. Updated HerpAtlas for western New York……………………………………….…….......36 Figure 4. Adult mudpuppies captured in minnow traps and during rock turning surveys.……….…..37 Figure 5. Differences in the morphology of mudpuppies as a function of capture method…….…….38 Figure 6: Fulton-type condition factor by season……………….………………………………….....39 Figure 7: Smoothed, best-fit line of a Fulton-type condition index plotted against Julian Day…..….40 Figure 8: Costello plots of gastric lavage content divided into season, habitat and all seasons and habitats combined……………………………………………………………………………………...41 Figure 9. Mudpuppy nest with eggs connected to the nest rock and apparent missing embryos..…....42 Figure 10: Images of microfilms and microfibers found in mudpuppy stomach contents……..……..43 Chapter 2 List of Tables Table 1. Experimental hypotheses………………………………………………………………...…..59 Table 2. Number of feature samples by location.……………………………….…….………...59 Table 3. MANOVA and ANOVA results of features by habitat type……………….……….……….60 Table 4. MANOVA and AOV results of features by season………………………………….……....61 Table 5: MANOVA and AOV results of features by sex……………………………………………..62 List of Figures Figure 1: Morphological features………………………………………………………..……………63 Figure 2: Mean and 95% CI of features by habitat type……………………………………..……….64 Figure 3. Mean and 95% CI of features by season…….………………………………………..……65 Figure 4: Mean and 95% CI of features by sex……………………………………….……...............66 v Thesis Abstract Environmental context changes the behavior and morphology of organisms. The impacts of flow on sampling techniques and morphology of the Common Mudpuppy were investigated during this study. I also explored mudpuppy distribution in western New York, diet, sexual dimorphism, seasonality, and capture biases. I found rock turning to be more efficient in streams year-round and modified minnow traps to be better more efficient in cold weather months and in deeper habitats than in other seasons or habitats. During the hot weather months, mudpuppy diet consisted of invertebrates exclusively, whereas diets in cold weather months consisted of invertebrates plus vertebrate prey. Body condition reflected the change in diet, with larger body condition when large prey items were found in gut contents. Stream-captured mudpuppies were more streamlined and possessed larger digits than lake-captured mudpuppies. Mudpuppy morphological differences between habitat types indicate phenotypic plasticity as the likely mechanism of morphological change when viewed in light of other published phylogenetic work on regional haplotypes. The findings of morphological response to flow warrant more investigation with common garden experiments. Expanding the common garden experiment to encompass future changes in temperature will help inform managers on how climate change may affect mudpuppy populations. vi Chapter 1 Distribution, Diet and Comparison of Capture Methods of Mudpuppies (Necturus maculosus) in Western New York Abstract The common mudpuppy (Necturus maculosus) is an understudied aquatic amphibian found in many major water drainages from eastern Canada to the southeastern United States. Although its range is large, we know little of its distribution at a finer scale. My study expanded the knowledge of mudpuppy distribution in the eight counties across western New York. Mudpuppies were found in all four of western New York’s major watersheds in both lentic and lotic habitats. Rock-turning (RT) and trapping were used to collect mudpuppies. Rock turning in lotic habitats was more efficient than trapping when
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